December weather forecastRensselaer Falls, NY
December
Weather in December
The first month of the winter, December, is still a freezing cold month in Rensselaer Falls, New York, with an average temperature fluctuating between 20.5°F (-6.4°C) and 30.4°F (-0.9°C).Temperature
Welcoming December, Rensselaer Falls observes a shift in the average high-temperature, falling from November's icy 42.3°F (5.7°C) to a freezing cold 30.4°F (-0.9°C). An average low-temperature of 20.5°F (-6.4°C) is recorded during the nights in December in Rensselaer Falls.Humidity
In December, the average relative humidity is 86%.Rainfall
In Rensselaer Falls, during December, the rain falls for 4.6 days and regularly aggregates up to 0.47" (12mm) of precipitation. In Rensselaer Falls, during the entire year, the rain falls for 85.8 days and collects up to 6.46" (164mm) of precipitation.Snowfall
January through May, November and December are months with snowfall. In Rensselaer Falls, New York, in December, snow falls for 7.7 days, with typically accumulated 0.87" (22mm) of snow. In Rensselaer Falls, during the entire year, snow falls for 42.4 days and aggregates up to 5.24" (133mm) of snow.Daylight
The month with the shortest days in Rensselaer Falls is December, with an average of 8h and 54min of daylight.On the first day of December in Rensselaer Falls, sunrise is at 7:18 am and sunset at 4:22 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 4:31 pm EST.
Sunshine
In Rensselaer Falls, New York, the average sunshine in December is 2.9h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 1 in December interprets into the following recommendations:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Rensselaer Falls, NY
- Average high temperature in December: 30.4°F
The warmest month (with the highest average high temperature) is July (76.8°F).
The month with the lowest average high temperature is January (24.1°F).
- Average low temperature in December: 20.5°F
The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in December
Rensselaer Falls, NY
- Average pressure in December: 30.04"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Rensselaer Falls, NY
- Average wind speed in December: 8.1mph
The windiest months (with the highest average wind speed) are February and April (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity in December
Rensselaer Falls, NY
- Average humidity in December: 86%
The months with the highest relative humidity are January and February (90%).
The month with the lowest relative humidity is April (77%).
Average rainfall in December
Rensselaer Falls, NY
- Average rainfall in December: 0.47"
The wettest month (with the highest rainfall) is October (0.79").
The driest month (with the least rainfall) is September (0.28").
Average rainfall days in December
Rensselaer Falls, NY
- Average rainfall days in December: 4.6 days
The month with the highest number of rainy days is July (10.5 days).
The month with the least rainy days is February (2.8 days).
Average snowfall in December
Rensselaer Falls, NY
- Average snowfall in December: 0.87"
The month with the highest snowfall is February (1.38").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Rensselaer Falls, NY
- Average snowfall days in December: 7.7 days
The month with the highest number of snowfall days is January (11 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Rensselaer Falls, NY
- Average daylight in December: 8h and 54min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 2h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The months with the least sunshine are January and February (Average sunshine: 2h and 42min).
Average sunshine days in December
Rensselaer Falls, NY
- Average sunshine days in December: 21.5 days
The month with the most sunshine days is December (21.5 days).
The month with the least sunshine days is July (16.5 days).
Average UV index in December
Rensselaer Falls, NY
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Rensselaer Falls, NY
- Average cloud cover in December: 70
The months with the most cloud cover are January and February (Cloud cover 74).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in December
Rensselaer Falls, NY
- Average visibility in December: 5mi
The months with the highest visibility are April, May, September, October and November (6mi).
The months with the lowest visibility are January, February, March, June, July, August and December (5mi).
